Air- and Moisture-Stable Cyclopalladated Complexes as Efficient Catalysts for Suzuki-Miyaura Coupling Reaction
作者:Chuan-Lin Chen、Yi-Hung Liu、Shie-Ming Peng、Shiuh-Tzung Liu
DOI:10.1021/om049125t
日期:2005.3.1
6-(iPr)2C6H3−, R = Ph (5d)] have been synthesized. In addition, an ortho-metalated complex [PdCl(k2N,C-C6H4CHN(2,6-iPr2C6H3))(PCy3)] (7) was prepared by a similar manner. Crystal structures of 3a, 5b,c, and 7 have been determined. The use of these palladium complexes as catalysts for Suzuki−Miyaura coupling reaction of aryl halides with arylboronic acids in ethanol solution was examined. It is found that this series
一系列含有六元螯合环的通式为[Pd(Cl)(k 2N,C -CH 2 C 6 H 2(Me)2 CH NAr)] 2 [式中,Ar = 2,6-(Me)2 C 6 H 3-(3a)。2,6-(我Pr)2 C 6 H 3-(3b)]和相关的膦取代物种[PdCl(k 2N,C -CH 2 C 6 H 2(Me)2 CH NAr)(PR 3)] [Ar = 2,6-(Me)2 C 6 H 3-,R = Cy(5a);Ar = 2,6-(iPr)2 C 6 H 3,R = Cy(5b);Ar = 2,6-(Me)2 C 6 H 3-,R = Ph(5c);Ar = 2,6-(Me)2 C 6 H 3-,R = Ph(5c)。Ar = 2,6-(iPr)2 C 6 H 3-,R = Ph(5d)]已经合成。此外,一种正金属配合物[PdCl(k 2N,C -C 6 H 4 CH N(2,6- i用类似的方法制备Pr